======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '222'
                                          'artist'  'Otto Clausen'
                                     'text_people'  ''
                                         'release'  'Edison Blue Amberol  9227'
                                           'title'  'Aa Kjöre Vatten Aa Kjöre Ve (Norwegian song) 1919'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cylinder']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-male'
                                             'bpm'  '86.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TALB' (Album/Movie/Show title)                     'Edison Blue Amberol  9227'
'TBPM' (BPM (beats per minute))                     '86.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-male'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         'Aa Kjöre Vatten Aa Kjöre Ve (Norwegian song) 1919'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '222000'
'TPE1' (Lead performer(s)/Soloist(s))               'Otto Clausen'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'cylinder'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '0.616926'

========================== row from database ==========================
                                              'id'  1475991
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Otto Clausen - Aa Kjöre Vatten Aa Kjöre Ve (Norwegian song) 1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  222
                                           'genre'  prerock-vocal-male
                                        'filesize'  4495759
                                           'mtime'  1621625790
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly Kjöre Kjöre prerock vocal male
                                      'tag_artist'  Otto Clausen
                                     'tag_release'  Edison Blue Amberol  9227
                                       'tag_title'  Aa Kjöre Vatten Aa Kjöre Ve (Norwegian song) 1919
                                             'bpm'  86.4
                                    'search_title'  '1919':10 'aa':1 'kjore':2,3 'norwegian':6,7 'song':8,9 'vatten':4 've':5
                                   'search_artist'  'clausen':2 'otto':1
                                  'search_release'  '9227':4 'amberol':3 'blue':2 'edison':1
                                     'search_rest'  'a':10 'kj':9 'kja':2,4 'male':8 'prerock':6 're':3,5,11 'veryearly':1 'vocal':7
                                    'search_combo'  '1919':10A '9227':16C 'a':26 'aa':1A 'amberol':15C 'blue':14C 'clausen':12B 'edison':13C 'kj':25 'kja':18,20 'kjore':2A,3A 'male':24 'norwegian':6A,7A 'otto':11B 'prerock':22 're':19,21,27 'song':8A,9A 'vatten':4A 've':5A 'veryearly':17 'vocal':23
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['cylinder']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625790.427325  (2021-05-21 21:36:30)
                             'size'  4495759